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525486229 is a prime number
BaseRepresentation
bin11111010100100…
…100100010010101
31100121210110120221
4133110210202111
52034011024404
6124050554341
716010362552
oct3724444225
91317713527
10525486229
1124a694644
12127b989b1
1384b396c8
144db0ba29
15311ee954
hex1f524895

525486229 has 2 divisors, whose sum is σ = 525486230. Its totient is φ = 525486228.

The previous prime is 525486223. The next prime is 525486233. The reversal of 525486229 is 922684525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434722500 + 90763729 = 20850^2 + 9527^2 .

It is a cyclic number.

It is not a de Polignac number, because 525486229 - 217 = 525355157 is a prime.

It is a super-2 number, since 2×5254862292 = 552271553737280882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525486223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262743114 + 262743115.

It is an arithmetic number, because the mean of its divisors is an integer number (262743115).

Almost surely, 2525486229 is an apocalyptic number.

It is an amenable number.

525486229 is a deficient number, since it is larger than the sum of its proper divisors (1).

525486229 is an equidigital number, since it uses as much as digits as its factorization.

525486229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The square root of 525486229 is about 22923.4864058677. The cubic root of 525486229 is about 806.9632924518.

The spelling of 525486229 in words is "five hundred twenty-five million, four hundred eighty-six thousand, two hundred twenty-nine".